usage.c: remove reference to busybox.h

*: s/include "busybox.h"/include "libbb.h"

procps/free.c

@@ -9,7 +9,7 @@
 
 /* getopt not needed */
 
-#include "busybox.h"
+#include "libbb.h"
 
 int free_main(int argc, char **argv);
 int free_main(int argc, char **argv)

procps/fuser.c

@@ -8,7 +8,7 @@
  * GNU Library General Public License
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
 #define FUSER_PROC_DIR "/proc"
 #define FUSER_MAX_LINE 255

procps/kill.c

@@ -8,7 +8,7 @@
  * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
 /* Note: kill_main is directly called from shell in order to implement
  * kill built-in. Shell substitutes job ids with process groups first.

procps/pidof.c

@@ -7,7 +7,7 @@
  * Licensed under the GPL version 2, see the file LICENSE in this tarball.
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
 enum {
 	USE_FEATURE_PIDOF_SINGLE(OPTBIT_SINGLE,)

procps/ps.c

@@ -7,7 +7,7 @@
  * Licensed under the GPL version 2, see the file LICENSE in this tarball.
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
 #if ENABLE_DESKTOP
 

procps/renice.c

@@ -19,7 +19,7 @@
  *   following IDs (if any).  Multiple switches are allowed.
  */
 
-#include "busybox.h"
+#include "libbb.h"
 #include <sys/resource.h>
 
 void BUG_bad_PRIO_PROCESS(void);

procps/sysctl.c

@@ -14,7 +14,7 @@
  *
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
 /*
  *    Function Prototypes

procps/top.c

@@ -28,7 +28,7 @@
  * GNU Library General Public License
  */
 
-#include "busybox.h"
+#include "libbb.h"
 
 
 typedef struct top_status_t {

procps/uptime.c

@@ -15,7 +15,7 @@
 
 /* getopt not needed */
 
-#include "busybox.h"
+#include "libbb.h"
 
 #ifndef FSHIFT
 # define FSHIFT 16              /* nr of bits of precision */